<SEC-DOCUMENT>0001628280-25-026608-index.html : 20250519
<SEC-HEADER>0001628280-25-026608.hdr.sgml : 20250519
<ACCEPTANCE-DATETIME>20250519171955
ACCESSION NUMBER:		0001628280-25-026608
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250515
FILED AS OF DATE:		20250519
DATE AS OF CHANGE:		20250519

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Csiszar Ernst N
		CENTRAL INDEX KEY:			0001341639
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08106
		FILM NUMBER:		25965115

	MAIL ADDRESS:	
		STREET 1:		2600 S RIVER ROAD
		CITY:			DES PLAINES
		STATE:			IL
		ZIP:			60018

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MASTEC INC
		CENTRAL INDEX KEY:			0000015615
		STANDARD INDUSTRIAL CLASSIFICATION:	WATER, SEWER, PIPELINE, COMM AND POWER LINE CONSTRUCTION [1623]
		ORGANIZATION NAME:           	05 Real Estate & Construction
		EIN:				650829355
		STATE OF INCORPORATION:			FL
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		800 S. DOUGLAS ROAD
		STREET 2:		12TH FLOOR
		CITY:			CORAL GABLES
		STATE:			FL
		ZIP:			33134
		BUSINESS PHONE:		3055991800

	MAIL ADDRESS:	
		STREET 1:		800 S. DOUGLAS ROAD
		STREET 2:		12TH FLOOR
		CITY:			CORAL GABLES
		STATE:			FL
		ZIP:			33134

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BURNUP & SIMS INC
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1747689587.xml
<DESCRIPTION>FORM 4
<TEXT>
Document 1 - file: wk-form4_1747689587.html

Document 1 - RAW XML: wk-form4_1747689587.xml

</DOCUMENT>
</SEC-DOCUMENT>